271809460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 664070400

約数和(自身を除く): 392260940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 47, 52, 58, 59, 65, 94, 116, 118, 130, 145, 169, 188, 235, 236, 260, 290, 295, 338, 377, 470, 580, 590, 611, 676, 754, 767, 845, 940, 1180, 1222, 1363, 1508, 1534, 1690, 1711, 1885, 2444, 2726, 2773, 3055, 3068, 3380, 3422, 3770, 3835, 4901, 5452, 5546, 6110, 6815, 6844, 7540, 7670, 7943, 8555, 9802, 9971, 11092, 12220, 13630, 13865, 15340, 15886, 17110, 17719, 19604, 19942, 22243, 24505, 27260, 27730, 31772, 34220, 35438, 36049, 39715, 39884, 44486, 49010, 49855, 55460, 70876, 72098, 79430, 80417, 88595, 88972, 98020, 99710, 111215, 144196, 158860, 160834, 177190, 180245, 199420, 222430, 230347, 289159, 321668, 354380, 360490, 402085, 444860, 460694, 468637, 578318, 720980, 804170, 921388, 937274, 1045421, 1151735, 1156636, 1445795, 1608340, 1874548, 2090842, 2303470, 2343185, 2891590, 4181684, 4606940, 4686370, 5227105, 5783180, 9372740, 10454210, 13590473, 20908420, 27180946, 54361892, 67952365, 135904730, 271809460]

約数ペア:

[(1, 271809460), (2, 135904730), (4, 67952365), (5, 54361892), (10, 27180946), (13, 20908420), (20, 13590473), (26, 10454210), (29, 9372740), (47, 5783180), (52, 5227105), (58, 4686370), (59, 4606940), (65, 4181684), (94, 2891590), (116, 2343185), (118, 2303470), (130, 2090842), (145, 1874548), (169, 1608340), (188, 1445795), (235, 1156636), (236, 1151735), (260, 1045421), (290, 937274), (295, 921388), (338, 804170), (377, 720980), (470, 578318), (580, 468637), (590, 460694), (611, 444860), (676, 402085), (754, 360490), (767, 354380), (845, 321668), (940, 289159), (1180, 230347), (1222, 222430), (1363, 199420), (1508, 180245), (1534, 177190), (1690, 160834), (1711, 158860), (1885, 144196), (2444, 111215), (2726, 99710), (2773, 98020), (3055, 88972), (3068, 88595), (3380, 80417), (3422, 79430), (3770, 72098), (3835, 70876), (4901, 55460), (5452, 49855), (5546, 49010), (6110, 44486), (6815, 39884), (6844, 39715), (7540, 36049), (7670, 35438), (7943, 34220), (8555, 31772), (9802, 27730), (9971, 27260), (11092, 24505), (12220, 22243), (13630, 19942), (13865, 19604), (15340, 17719), (15886, 17110)]